Project Number Date
test_Tails_ISO_stable 4574 18 Dec 2023, 15:29

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 13:40.603 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
18.574
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.997
And I prepare Tails for memory erasure tests 0.465
When I start a process allocating 128 MiB of memory with a known pattern 1.454
Then patterns cover at least 128 MiB in the guest's memory 3.350 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.357
Then I find very few patterns in the guest's memory 3.948 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
After features/support/hooks.rb:291 1.131
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:1.006
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.131
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 3.759 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.746
Then patterns cover at least 99% of the test FS size in the guest's memory 3.290 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.714
Then I find very few patterns in the guest's memory 3.904 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
After features/support/hooks.rb:291 0.825
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:45.441
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.438
And I prepare Tails for memory erasure tests 0.673
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.970
Then I find very few patterns in the guest's memory 3.697 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:6.657
Then patterns cover at least 86% of the test FS size in the guest's memory 3.063 
Pattern coverage: 96.895% (120 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.511
Then I find very few patterns in the guest's memory 3.952 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
# read cache
When I mount the USB drive again 0.282
And I read the content of the test FS 3.734
Then patterns cover at least 99% of the test FS size in the guest's memory 3.035 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.320
Then I find very few patterns in the guest's memory 4.103 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 0.755
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:35.676
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.772
And I prepare Tails for memory erasure tests 0.573
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.265
Then I find very few patterns in the guest's memory 4.205 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:35.011
Then patterns cover at least 99% of the test FS size in the guest's memory 3.606 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.679
Then I find very few patterns in the guest's memory 3.989 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
# read cache
When I mount the USB drive again 4.074
And I read the content of the test FS 2.577
Then patterns cover at least 99% of the test FS size in the guest's memory 3.472 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory 3.899 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
After features/support/hooks.rb:291 1.199
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.107
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.275
And I prepare Tails for memory erasure tests 0.632
When I fill a 128 MiB file with a known pattern on the root filesystem 12.682
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.219
Then patterns cover at least 128 MiB in the guest's memory 2.896 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.528
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.852 
Pattern coverage: 0.000% (0 MiB out of 1195 MiB reference memory)
After features/support/hooks.rb:291 3.452
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:10.797
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:26.701
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.972
When I trigger shutdown 0.421
And I wait 20 seconds 20.003 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.223 
Pattern coverage: 0.000% (0 MiB out of 1173 MiB reference memory)
After features/support/hooks.rb:291 3.471
After features/support/hooks.rb:75 0.012